Adaptive Quality of Service Support for Packet-Switched Wireless Cellular Networks

Authors:
Songwu Lu;Kang-Won Lee;Vaduvur Bharghavan
Affiliations:
UCLA, Department of Computer Science, Los Angeles, CA 90095-1596, USA. slu@cs.ucla.edu;IBM T.J. Watson Research Center, Hawthorne, NY 10532, USA;Coordinated Science Laboratory, University of Illinois, IL 61801, USA
Venue:
Multimedia Tools and Applications
Year:
2002

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Abstract

In this paper, we propose an adaptive quality of service (QoS) design approach via resource reservation and rate adaptation to support multimedia over wireless cellular networks. Three contributions of this work are: (a) an adaptive QoS model that seeks to provide QoS assurances within bounds for each packet flow and to make advance resource reservation in order to support seamless mobility, (b) a revenue-based resource adaptation design that seeks to maximize network revenue while satisfying the QoS requirements, and (c) a resource reservation protocol that supports both application-initiated resource reservation and network-initiated resource adaptation. Our initial implementation and measurements confirm the effectiveness of the proposed design.